import { type DataStore } from './data-store.js';
export declare const POLICY_AUDIT_MAX_ROWS = 1000;
export declare const POLICY_AUDIT_DEFAULT_LIMIT = 50;
export declare const POLICY_AUDIT_MAX_LIMIT = 500;
export declare const POLICY_AUDIT_MAX_JSON_BYTES: number;
export declare const POLICY_AUDIT_MAX_STRING_BYTES = 2048;
export interface PolicyAuditAppendEvent {
    readonly id: string;
    readonly runId?: string;
    readonly timestamp: string;
    readonly subjectKind: string;
    readonly subjectId: string;
    readonly subject: unknown;
    readonly action: string;
    readonly outcome: string;
    readonly reasons: readonly string[];
    readonly sourceTiers: readonly string[];
    readonly matchedExceptionIds: readonly string[];
    readonly metadata?: unknown;
}
export interface PolicyAuditStoredEvent extends PolicyAuditAppendEvent {
    readonly metadata?: unknown;
}
export interface PolicyAuditListOptions {
    readonly limit?: number;
}
export declare class PolicyAuditRepo {
    private readonly datastore;
    constructor(datastore: DataStore);
    append(events: readonly PolicyAuditAppendEvent[]): number;
    list(options?: PolicyAuditListOptions): readonly PolicyAuditStoredEvent[];
}
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